Addded Diaspora::Likeable module. Corrected the unique index for likes to include author_id; extracted before_save callback needed for tags into Diaspora::Taggable.

2 files changed, 22 insertions, 0 deletions

diff --git a/lib/diaspora/likeable.rb b/lib/diaspora/likeable.rb
new file mode 100644
index 000000000..6d0fc532d
--- /dev/null
+++ b/lib/diaspora/likeable.rb
@@ -0,0 +1,20 @@
+#   Copyright (c) 2010, Diaspora Inc.  This file is
+#   licensed under the Affero General Public License version 3 or later.  See
+#   the COPYRIGHT file.
+
+module Diaspora
+  module Likeable
+    def self.included(model)
+      model.instance_eval do
+        has_many :likes, :conditions => {:positive => true}, :dependent => :delete_all, :as => :target
+        has_many :dislikes, :conditions => {:positive => false}, :class_name => 'Like', :dependent => :delete_all, :as => :target
+      end
+    end
+
+    # @return [Integer]
+    def update_likes_counter
+      self.likes_count = self.likes.count
+      self.save
+    end
+  end
+end
diff --git a/lib/diaspora/taggable.rb b/lib/diaspora/taggable.rb
index 8302cbe81..0c706a8eb 100644
--- a/lib/diaspora/taggable.rb
+++ b/lib/diaspora/taggable.rb
@@ -11,6 +11,8 @@ module Diaspora
         cattr_accessor :field_with_tags
       end
       model.instance_eval do
+        before_create :build_tags
+
         def extract_tags_from sym
           self.field_with_tags = sym
         end